Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.102324E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:25:09+0800
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    1 Object 1

    Name SJ-12
    AOE ID 36596
    NORAD ID 36596
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    Name HXMT
    AOE ID 42758
    NORAD ID 42758
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SJ-12 HXMT
    Time of Closest Approach 2026-09-05T23:48:43+0000
    Collision Probability (Pc) 2.102324E-6
    Conjunction Distance (km) 2.259 km
    Relative Speed (km/s) 14.311 km/s
    Conjunction Risk Parameters R (Radial): -0.029 | I (In-track): -0.772 | C (Cross-track): 2.122
    Collision Risk Index (CRI) 0.41
    X Position (km) -238.524 -240.522
    Position Y (km) -6872.779 -6872.763
    Position Z (km) 547.402 546.35
    Velocity X (km/s) -1.007 5.554
    Velocity Y (km/s) 0.643 -0.589
    Velocity Z (km/s) 7.506 -5.151

    Orbital Parameters 国际轨道数据源

    Parameter SJ-12 HXMT
    Semimajor Axis (a) 6892.021 km 6886.849 km
    Eccentricity (e) 0.000659 0.003269
    Inclination (i) 97.7618° 43.0139°
    RAAN 266.4044° 104.7926°
    Perigee Argument 170.6172° 284.0224°
    Mean Anomaly (M) 189.5184° 75.6991°
    Apogee 518.424 km 531.226 km
    Perigee 509.344 km 486.198 km
    Orbit Epoch 2026-09-03T19:33:45+0000 2026-09-03T20:33:05+0000

    SJ-12 & HXMT Collision Probability (Pc) Trend

    SJ-12 & HXMT Collision Probability (Pc) TrendNot Available

    SJ-12 & HXMT Miss Distance (Miss Distance) Trend

    SJ-12 & HXMT Miss Distance (Miss Distance) TrendNot Available

    SJ-12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HXMTMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SJ-12Collision Probability Trend

    Object 1 Probability TrendNot Available

    HXMTCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SJ-12

    No nearby objects data